Home / 906,988.40-1,360,482.60-809,010.80

Finding the Fourth Proportional to 906,988.40, 1,360,482.60 and 809,010.80

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Solution

The fourth proportional to 906,988.40, 1,360,482.60 and 809,010.80 is: 1,213,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,988.40 : 1,360,482.60 = 809,010.80 : x
  2. Step 2: Convert to fraction form
    906,988.40/1,360,482.60 = 809,010.80/x
  3. Step 3: Cross multiply
    906,988.40x = 1,360,482.60 × 809,010.80
  4. Step 4: Simplify right side
    906,988.40x = 1,100,645,116,612.08
  5. Step 5: Solve for x
    x = 1,100,645,116,612.08/906,988.40
  6. Step 6: Final answer
    x = 1,213,516.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.